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post #1 of 10 Old 06-19-2014, 01:06 PM Thread Starter
elarm1
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2011 WK 
 
Join Date: Jun 2013
Location: Woodbridge
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Moar powa!

I am on a quest to make my girl a little faster. On my Magnum I did 6.1 headers, 180 thermostat, CAI, and a tune. What headers will fit on my Jeep? Can I use the stock 6.4's or maybe the 6.1's. My mods are in my sig so whats next?


2011 Grand Cherokee Overland Hemi QL QDII QLII
5% tint
20" gen2 SRTGC Chrome wheels
InTunes by HemiFever
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post #2 of 10 Old 06-19-2014, 02:48 PM
Jpiwonski
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Quote:
Originally Posted by elarm1
I am on a quest to make my girl a little faster. On my Magnum I did 6.1 headers, 180 thermostat, CAI, and a tune. What headers will fit on my Jeep? Can I use the stock 6.4's or maybe the 6.1's. My mods are in my sig so whats next?
American racing headers make a great product, they will with the 5.7.
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post #3 of 10 Old 06-19-2014, 04:01 PM
ColdCase
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The WK2 engine compartment has a few obstructions, so headers need to be custom... I think American Racing` may have or about to come out with a set. There was a thread a few months ago here with the most practical options. I think the consensus was, you will save a lot of $$$ just by trading into a SRT.

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #4 of 10 Old 06-19-2014, 07:24 PM
Gunny7
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I've had that same though.
Couple thousand for exhaust. At least.
New intake.
Tires and wheels, another few thousand.
Computer tuner.
Still cannot redo the suspension.
Brakes.
Maybe for another 5K
Parts still in the box.
Easier to just get an SRT.
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post #5 of 10 Old 06-20-2014, 08:35 AM Thread Starter
elarm1
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Thing is, I Love an SRT but I don't want Srt problems. Tip toe driving so no one will hit it, expense of tires, gas, and limitations. This is why I bought my Overland. I can take it anywhere without all of the above. The tune gives it great powa but I want just a little more for everyday usage.

2011 Grand Cherokee Overland Hemi QL QDII QLII
5% tint
20" gen2 SRTGC Chrome wheels
InTunes by HemiFever
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post #6 of 10 Old 06-20-2014, 11:22 AM
ColdCase
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Life is full of compromises

If you want to spend the $$$, there are ways to make the 5.7 go quicker without loosing features... but not much, if any, payback for everyday use.. you are talking at high rpm, near the limits (unless that's how you drive it everyday). So you want more torque for most of everyday driving, which means that, I think, you need to be looking at a custom speed shop..... unless you have the sophisticated tools, skill, and time to DIY. Browse the SRT forums for ideas that could translate to the 5.7. Changing out diffs is a non-starter. Perhaps a built tranny is available that will provide more driving satisfaction. There seems to be a wide range of production tolerances, there are definitely some 5.7s that run better than others... so you could look for a better running example.

Think about throwing out some weight and a smaller diameter tire (less sidewall).

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #7 of 10 Old 06-21-2014, 11:12 AM
hemispin
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Money no object, I'd drop my Jeep off at Hennessey in Texas or Nelson Racing Engines in Cali for a twin turbo 7.0L stroker...about 1000hp on pump gas.
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post #8 of 10 Old 06-21-2014, 11:44 AM
ColdCase
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Quote:
Originally Posted by hemispin View Post
Money no object, I'd drop my Jeep off at Hennessey in Texas or Nelson Racing Engines in Cali for a twin turbo 7.0L stroker...about 1000hp on pump gas.
I like the supercharged versions better for an everyday street ride...

Current: 2011 Grand Cherokee Overland V8, 2009 Liberty Rocky Mt V6
Previous: 2000 Grand Cherokee Laredo I6, 1979 CJ7 I6 Quadratrac
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post #9 of 10 Old 06-21-2014, 12:39 PM
xJoshxx
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Quote:
Originally Posted by hemispin View Post
Money no object, I'd drop my Jeep off at Hennessey in Texas or Nelson Racing Engines in Cali for a twin turbo 7.0L stroker...about 1000hp on pump gas.
Hennessey you better off burning your $$$ Guy spent upwards of 20K for 95WHP at Hennessey for a Supercharger on his SRT...

Rippmods has 150whp gains for 7k and bolt on.

Rippmods has a bolt on kit for all the motors. in production.

Sold4" Hybrid lift TeraFlex coils IRO Adjustable LA's Jks tracbar 1.25spidertrax spacers 265/75/16 Dura-tracs
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The SRt-8's are a liberty design.
2011 WK2 ORA2 sold
2012 WK2 SRT8 - Current
99 WJ Limited Lifted.
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post #10 of 10 Old 06-23-2014, 06:24 AM
hemispin
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Quote:
Originally Posted by xJoshxx View Post
Hennessey you better off burning your $$$ Guy spent upwards of 20K for 95WHP at Hennessey for a Supercharger on his SRT...
Sure Hennessey is a bit spendy, but I did say money no object. Who is this "guy" you say spent $20k? Was this just a supercharger? Often Hennessey upgrades wheels, tires, brakes, suspension, interiors, etc. If your guy spent 20k on only a supercharger, shame on him
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